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fr."31kg

•

March 7, 1958
Net realized income of farm operators for 1957
was about 5 per cent below 1956, according to preliminary USDA estimates. However, total net income of
farm operators, including the rise in farm inventories,
registered a 4 per cent gain. Inventories on January 1,
1958, were about $600 million above the year-ago figure
as a result of later-than-usual marketings. Government
payments to farmers in 1957 accounted for about $1 billion of the income figure, up from about a half billion
in 1956.
Net Income of Farm Operators:
Realized
Total

......
.- .

1956

1957

Change

12.1
11.6

11.5
12.1

-5.0%
+4.3%

Income from nonfarm sources makes up almost onethird of the income of the farm population.
Estimated Per Capita Income
of the Farm Population:

•

1956

From farming -(Operators' total net
plus wages paid to
farm workers)
Nonfarm sources
Total

1957

$601
301
$902

$684
309
$993

Farm population continues to decline, dropping an
average of 2.5 per cent annually over the past three
years. Consequently, income per capita of the farm population has increased somewhat.
The number of farms continues to decline. The estimated reduction between 1956 and 1957 amounted to
114,000 or 2.5 per cent.
Number of Farms:

1920

1950

1957

(thousands)

Illinois ....
Indiana ....
Iowa ...
Michigan
Wisconsin ..........
U. S
VG

4,14/01111

41410

414J

1

90041

416064104V

It

ri

Federal Reserve Bank of Chicago - -

240- - 203- - 180
206
174
154
214
206
195
198
161
1431
191
174
155
6,517 5,648
4,856

1956

Residential farms show a general long-term increase. Declining numbers of small farms-those with
annual sales under $2,500-have been the principal
factor reducing the totals,
Farm output has tended to expand even though farm
population and number of farms have been receding.
Continued advances in technology and, of course, price
supports are given most of the credit for the output
trend.

•

Yields per acre have increased sharply. For example, the average corn yield for 1955-57 exceeded the
1945-54 average by 19 per cent in Illinois, 8 per cent

rat
tt
Number 446

klAR 3 1953

in Iowa and 15 per cent in Indiana. Soybeans, wheat,
sorghum grains, oats and barley also show substantial
increases in average yield per acre.
Corn
1945-54
1955-57
average
average
Illinois
Indiana
Iowa .
Michigan
Wisconsin
U.S. .

V

OW

52.6
51.2
50.2
40.0
49.5
37.1

62.7
59.0
54.0
49.0
56.5
44.4

Soybeans
1945-54
1955-57
average
average
22.6
21.6
21.8
19.0
14.0
20.0

25.7
23.3
22.0
21.7
15.0
21.7

Feed technology continues to improve, increasing
output per unit of feed. Major advances have come from
the stepping up of rates of gain, more effective disease
control and better or lower-cost rations. Corncobs, for
example, have been found usable as part of the ration
in certain cattle feeding programs. Urea, a commercially produced chemical, has been used successfully
as a substitute for as much as a third of the protein requirements of cattle. Antibiotics and hormones are numbered among the comparatively recent arrivals.
Antibiotics are estimated to increase the growth
rate of young pigs from 10 to 20 per cent and increase
the gain per pound of feed as much as 5 per cent. By
1955 about 90 per cent of commercially mixed poultry
starter and grower feeds and 50 per cent of hog formula
feeds contained antibiotics.
For beef cattle feeding, the hormone stilbestrol,
approved for commercial use in 1954, is estimated to
have boosted feed efficiency by 10 to 15 per cent. It
has been estimated that in 1955 as many as half the
grain-fed beef cattle received stilbestrol, and presumably the proportion has increased.
A new feed additive called tapazole shows promise,
according to a recent report from Iowa State College.
Compared with a ration containing no additive, a tapazole-stilbestrol combination increased rates of gain by
30 per cent. Pounds of beef per pound of feed fed were
increased as much as 17 per cent.
The cost of tapazole for feeding purposes is not
yet known, although it has previously been used in human medicine. Researchers at the college emphasized
that further tests are necessary before tapazole can be
recommended for commercial use.
Research Department